GS

Gunther K. Semper

📍 McAlester, OK: #13 of 33 inventorsTop 40%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,661,777 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5958816 Method of presulfiding and passivating a hydrocarbon conversion catalyst Daniel J. Neuman, Thomas Creager 1999-09-28